Ben Green & Scott Fisher book signing: 6:30 p.m., Boulder Book Store, 1107 Pearl St., Boulder. Ben Green and Scott Fisher will speak about and sign their new book “The Aging Wisely Project: Forging Your Best Self in Life’s Ultimate Stage”. $5, boulderbookstore.net.

Trident Author Series: 6:30 p.m., Trident Booksellers & Café, 940 Pearl St., Boulder. Jennifer Haigh will speak about her new book “Rabbit Moon.” Four years after their bitter divorce, Claire and Aaron Litvak get a phone call no parent is prepared for their 22-year-old daughter Lindsey, teaching English in China during a college gap year, has been critically injured in a hit-and-run accident. At a Shanghai hospital, they wait at her bedside, hoping for the best and preparing for the worst. The accident unearths a deeper fissure in the family — the shocking event that ended the Litvaks’ marriage and turned Lindsey against them. “Rabbit Moon” is a taut, suspenseful story about the ties of marriage that no divorce can sever and the fabled red thread that pulls two sisters together across time and space. tridentcafe.com.

Guardians of the Grasslands program: 7:15 p.m., Unitarian Universalist Church, 5001 Pennsylvania Ave., Boulder. Join Boulder Audubon for a fun and educational event all about prairie rattlesnakes and their important role in preserving the grasslands. Using real reptiles and amphibians to bring this talk to life, Cameron Young will lead a discussion of prairie rattlesnakes and other local species, exploring what makes these animals unique, how their conservation is intrinsically linked to the conservation of birds and local ecosystems and the positive impacts these animals have on humans. eventbrite.com.

Bonsai workshop: 6:30 p.m. Wednesday, Sanitas Brewing Company, 400 W. South Boulder Road, #1650, Lafayette. Learn the fundamental skills and techniques behind the art of bonsai while enjoying a night out with friends. Teachers will introduce core concepts and guide the experience as participants pot, prune and design a bonsai tree. $85, 401-285-1804, eventvesta.com.

From Our Shelves Fiction Book Club: 7 p.m. Wednesday, Boulder Book Store, 1107 Pearl St., Boulder. From Our Shelves, the BBS fiction book club, will be reading and discussing “Yellowface,” by R. F. Kuang. Free, boulderbookstore.net.

Michael Franti & Spearhead concert: 7 p.m. Wednesday, Boulder Theater, 2032 14th St., Boulder. Michael Franti is a globally recognized musician, activist and award-winning filmmaker celebrated for his high-energy live shows, inspiring music, worldwide philanthropic efforts and unshakable optimism. Over his multi-decade career, Franti has earned three Billboard No. 1 hits. $75-$99, z2ent.com.

Wobblers & Walkers: 11:15 a.m. Thursday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Beginning toddlers explore language and books with their caregivers in a fun and intimate setting. Programs include rhymes, songs and books as well as time for free play and informal discussion of early childhood development. Space is limited. calendar.boulderlibrary.org.

“Echoes of Korea” opening reception: 5 p.m. Thursday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Meet the artists Eunjoo Kang, Hana Kim and Michael Le Desma as they share their creative journey, and attend the opening reception of “Echoes of Korea.” calendar.boulderlibrary.org.

“From Self-Care to We-Care” book signing: 6:30 p.m. Thursday, Boulder Book Store, 1107 Pearl St., Boulder. Jordan Quaglia will speak about and sign his new book “From Self-Care to We-Care: The New Science of Mindful Boundaries and Caring from an Undivided Heart.” He will be in conversation with Clarissa Cigrand for this special event. $5, boulderbookstore.net.

“Days of Heaven” film screening: 7 p.m. Thursday, Boulder Public Library Main Library, Canyon Theater, 1000 Canyon Blvd., Boulder. A hot-tempered farm laborer convinces the woman he loves to marry their rich but dying boss so that they can have a claim to his fortune. The movie will be discussed before it starts, after it ends and once or twice during the movie. Snacks are provided. Free, facebook.com.

Native Plants Garden Volunteer Day: 9 a.m. Friday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Volunteers will work with Native Plant Garden designer Aaron of Earth Love Gardens. Spend about three hours weeding and planting new plants. Registration through Give Pulse is required. calendar.boulderlibrary.org.

Editor’s note: Availability and scheduling of events may be subject to change.